<?php
/**
 * Plugin Name: UpSell for WooCommerce
 * Plugin URI: https://wordpress.org/plugins/woo-upsell
 * Version: 1.0.0
 * Description: This plugin allows you to add UpSell's products to the cart directly from single product page. Using add to cart buttons or checkboxes. When using button - you can add a UpSell product directly to the cart without leaving the main product. When using checkboxes, the UpSells products is addded to the cart same time as the main product.
 * Author: nordiccustommade
 * Author URI: https://nordiccustommade.dk/
 * Requires at least: 5.0.0
 * Tested up to: 6.1
 * Text Domain: woo-upsell
 * Domain Path: /lang/
 * 
 * WC requires at least: 3.6
 * WC tested up to: 7.0.0
 * 
 * License: GNU General Public License v3.0
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html
*/
?>
<?php
if ( ! defined( 'ABSPATH' ) ) exit;

if ( in_array( 'woocommerce/woocommerce.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {

	if ( !defined('NCMWCP1802_PATH') ) {
		define('NCMWCP1802_PATH', plugin_dir_path( __FILE__ ));
	}
	if ( !defined('NCMWCP1802_URL') ) {
		define('NCMWCP1802_URL', plugin_dir_url( __FILE__ ));
	}
	if ( !defined('NCMWCP1802_BASENAME') ) {
		define('NCMWCP1802_BASENAME', plugin_basename(__FILE__));
	}

	function ncmwcp1802_load_plugin_textdomain() {
		load_plugin_textdomain( 'woo-upsell', false, dirname( plugin_basename( __FILE__ ) ) . '/lang' );
	}
	add_action( 'plugins_loaded', 'ncmwcp1802_load_plugin_textdomain' );

	function wpse_load_plugin_css() {
		if ( is_product() ) {
			wp_enqueue_style( 'ncmwcp1802_style', NCMWCP1802_URL . 'css/style.css' );
		}
	}
	add_action( 'wp_enqueue_scripts', 'wpse_load_plugin_css' );

	require_once NCMWCP1802_PATH.'admin/woo-upsell-admin.php';


	if ( class_exists( 'ncmwcp1802_woocommerce_upsell_settings' ) ) {
		NEW ncmwcp1802_woocommerce_upsell_settings();
	}

	//Select the upsell style
	if ( get_option( 'ncmwcp1802_upsell_settings_type' ) == "checkbox" OR !get_option( 'ncmwcp1802_upsell_settings_type' ) ) {

		require_once NCMWCP1802_PATH.'includes/checkbox/checkbox-style.php';
		if ( class_exists( 'ncmwcp1802_upsell_style_checkbox' ) ) {
			NEW ncmwcp1802_upsell_style_checkbox();
		}
		/* add upsell products to single page before add to cart */
		add_action( 'woocommerce_before_add_to_cart_button', 'ncmwcp1802_add_upsell_to_single_product_page', 5 );

	} elseif ( get_option( 'ncmwcp1802_upsell_settings_type' ) == "button" ) {

		require_once NCMWCP1802_PATH.'includes/button/button-style.php';
		if ( class_exists( 'ncmwcp1802_upsell_style_button' ) ) {
			NEW ncmwcp1802_upsell_style_button();
		}
		/* add upsell products to single page after add to cart */
		add_action( 'woocommerce_after_add_to_cart_quantity', 'ncmwcp1802_add_upsell_to_single_product_page', 5 );

	}
}


function ncmwcp1802_check_products_exists ( $products_id = false ) {
	$value = false;
	$key = false;

	if ( is_array( $products_id ) ) {
		foreach ($products_id as $key => $value) {

			$value = absint( $value );
			$key = sanitize_key( $key );

			if ( !wc_get_product( $value ) ) {
				unset( $products_id[$key] );
			}
		}
	}

	return $products_id;

}


function ncmwcp1802_get_upsell_title () {
	$upsell_title = false;

	if ( $get_upsell_title = get_option( 'ncmwcp1802_upsell_settings_title' ) ) {
		$upsell_title = esc_html( $get_upsell_title );
	} else {
		$upsell_title = esc_html( __( 'We recommend', 'woo-upsell' ) );
	}

	return $upsell_title;

}

function ncmwcp1802_get_upsell_subtitle () {
	$upsell_subtitle = false;

	if ( $get_upsell_subtitle = get_option( 'ncmwcp1802_upsell_settings_subtitle' ) ) {
		$upsell_subtitle = esc_html( $get_upsell_subtitle );
	}

	return $upsell_subtitle;
}

/* add upsell products to single page with checkbox or button callback function */
function ncmwcp1802_add_upsell_to_single_product_page() {
	global $product, $woocommerce;

	$upsells = ncmwcp1802_check_products_exists( $product->get_upsell_ids() );
	$upsell_p = false;
	$upsell_pv = false;
	$is_variation = false;
	$style_type = "";

	if ( get_option( 'ncmwcp1802_upsell_settings_type' ) == "checkbox" OR !get_option( 'ncmwcp1802_upsell_settings_type' ) ) {
		$style_type = "checkbox";
	} else {
		$style_type = "button";
	}

	?>
	<?php if ( is_array( $upsells ) && !empty( $upsells ) ): ?>
	<div class="ncmwcp1802_product_upsells product_upsells style-<?php echo $style_type; ?>">

		<!-- <h3>Disse produkter anbefales sammen med</h3> -->
		<h3><?php echo ncmwcp1802_get_upsell_title(); ?></h3>
		
		<?php if ( ncmwcp1802_get_upsell_subtitle() ) : ?>
			<h4><?php echo ncmwcp1802_get_upsell_subtitle(); ?></h4>
		<?php endif; ?>

		<ul>
			<?php foreach ($upsells as $key => $value): ?>
				<?php
				$upsell_id = absint( $value );
				$upsell_p = wc_get_product( $upsell_id );
				$upsell_url = esc_url( get_permalink ($upsell_id ) );
				?>
				<?php if (  $upsell_p->get_type() == "simple" || $upsell_p->get_type() == "variation" || $upsell_p->get_type() == "variable" ): ?>
					<li>
						<span class="upsell_<?php echo $upsell_id; ?>">



							<div class="Upsell-Container">



						
							

								<div class="upsell-menu">
									
									<span class="title">
										<a href="<?php echo $upsell_url; ?>"><?php echo $upsell_p->get_name(); ?></a>
									</span>

									<span id="price-<?php echo $upsell_id; ?>"class="product-price" data-oprice="<?php echo $upsell_p->get_price_html(); ?>"?>
									</span>
									

									<?php if ($upsell_p->get_type() == "variable"): ?>

									<?php if ($upsell_p->get_available_variations()): ?>

									<?php $is_variation = true; ?>
												
												

										<select name="upsellsSV[]" class="select-variation" id="upsell_<?php echo $upsell_id; ?>">
											<option value="" data-upsellid="<?php echo $upsell_id; ?>"><?php esc_html(_e('Choose an option', 'woocommerce')); ?></option>

											<?php foreach ($upsell_p->get_available_variations() as $key_v => $value_v): ?>
												<?php
													$variation_id = $value_v['variation_id'];
													$upsell_pv = wc_get_product($variation_id);
													$variation_image_id = $upsell_pv->get_image_id();
													$variation_image_url = wp_get_attachment_image_url($variation_image_id, 'full');
												?>

												<option value="<?php echo $variation_id; ?>" data-image="<?php echo $variation_image_url; ?>"
													data-upsellid="<?php echo $upsell_id; ?>"
													data-price="<?php echo $upsell_pv->get_price_html(); ?>"><?php echo $upsell_pv->get_attribute_summary(); ?>
												</option>

											<?php endforeach; ?>
														

										</select>
												
												
								</div>


								<div class="variation-image upsell-image">
										<?php foreach ($upsell_p->get_available_variations() as $key_v => $value_v): ?>
											
											<?php
												$variation_id = $value_v['variation_id'];
												$variation_image_id = $value_v['image_id'];
												$variation_image_url = wp_get_attachment_image_url($variation_image_id, 'full');
											?>

											<div class="variation-<?php echo $upsell_id; ?> variation-<?php echo $variation_id; ?>"
												style="display: none;">
												<?php echo '<img data-upsellid="' . $upsell_id . '" src="' . $variation_image_url . '" value="' . $variation_image_url . '">'; ?>
											</div>

										<?php endforeach; ?>


										<?php if ($upsell_p->get_image()): ?>
											<div class="variation-<?php echo $upsell_id; ?> default-variation"
												style="display: none;"> <!-- Modified to hide the default variation initially -->
												<a href="<?php echo $upsell_url; ?>"><?php echo $upsell_p->get_image(); ?></a>
											</div>
										<?php endif; ?>
										
								</div>


								<script>
									jQuery(function ($) {
										$("#upsell_<?php echo $upsell_id; ?>").change(function () {
											var selectedVariation = $(this).val();
											var upsellId = $(this).find('option:selected').data('upsellid');
											var variationImage = $(this).find('option:selected').data('image');

											$('.variation-image .variation-<?php echo $upsell_id; ?>').hide(); // Verstecke alle Variationenbilder für dieses Produkt

											if (variationImage) {
												$('.variation-image .variation-<?php echo $upsell_id; ?>.variation-' + selectedVariation).show(); // Zeige das Bild der ausgewählten Variation für dieses Produkt
											} else {
												$('.variation-image .variation-<?php echo $upsell_id; ?>.default-variation').show(); // Zeige das Standardbild der Upsell-ID
											}

																			
										}).change(); // Initialer Aufruf, um das Bild entsprechend der vorausgewählten Variation anzuzeigen
									});
								</script>

								<?php endif; ?>
														
									<?php else: ?>

										<?php if ($upsell_p->get_image()): ?>
											</div>


																
											<div class="variation-image upsell-image">
												<div class="variation-<?php echo $upsell_id; ?> default-variation" style="display: block;">
													<a href="<?php echo $upsell_url; ?>"><?php echo $upsell_p->get_image(); ?></a>
												</div>
											</div>
																
									<?php endif; ?>
														
								<?php endif; ?>

								<div class="upsell-checkbox">

									<span class="select-box">

										<?php
											$args["upsell_id"] = absint( $upsell_id );
											$args["is_variation"] = wp_validate_boolean( $is_variation );?>

										<?php do_action( "ncmwcp1802_upsell_style", $args ); ?>

									</span>
								</div>

						


						</span>

					</li>
				<?php endif; ?>

			<?php endforeach; ?>
		</ul>

	</div>
	<?php endif; ?>
	<?php
}

?>